package com.volcreate.week1;

import java.util.Scanner;

/**
 * 70
 * 16
 *
 * @author zxc
 * @date 2020/9/20
 */
public class Main9 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int i1 = scanner.nextInt();
        int i2 = scanner.nextInt();
        System.out.println(i1 + i2);
        System.out.println(i1 - i2);
        System.out.println(i1 * i2);
        System.out.println(1.0 * i1 / i2);
    }
}
